Our Lightest Running Hat. These new two-toned running hats are so lightweight and comfortable you might not remember you have one on. It's made with a shorter bill that's designed to be as light as possible. Our Dri-Layer stretch-woven fabric wicks moisture away from your skin, and there's also an interior wicking headband keeps sweat out of your eyes. Adjust at the back for the perfect fit, stay cool thanks to mesh inserts. Stay light on your feet as these running hats stay light on your head.